




'''simple docstring'''







from typing import TYPE_CHECKING

from ...utils import OptionalDependencyNotAvailable, _LazyModule, is_tf_available, is_torch_available


lowerCAmelCase_     						=				{
    '''configuration_ctrl''': ['''CTRL_PRETRAINED_CONFIG_ARCHIVE_MAP''', '''CTRLConfig'''],
    '''tokenization_ctrl''': ['''CTRLTokenizer'''],
}

try:
    if not is_torch_available():
        raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
    pass
else:
    lowerCAmelCase_     						=				[
        '''CTRL_PRETRAINED_MODEL_ARCHIVE_LIST''',
        '''CTRLForSequenceClassification''',
        '''CTRLLMHeadModel''',
        '''CTRLModel''',
        '''CTRLPreTrainedModel''',
    ]

try:
    if not is_tf_available():
        raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
    pass
else:
    lowerCAmelCase_     						=				[
        '''TF_CTRL_PRETRAINED_MODEL_ARCHIVE_LIST''',
        '''TFCTRLForSequenceClassification''',
        '''TFCTRLLMHeadModel''',
        '''TFCTRLModel''',
        '''TFCTRLPreTrainedModel''',
    ]


if TYPE_CHECKING:
    from .configuration_ctrl import CTRL_PRETRAINED_CONFIG_ARCHIVE_MAP, CTRLConfig
    from .tokenization_ctrl import CTRLTokenizer

    try:
        if not is_torch_available():
            raise OptionalDependencyNotAvailable()
    except OptionalDependencyNotAvailable:
        pass
    else:
        from .modeling_ctrl import (
            CTRL_PRETRAINED_MODEL_ARCHIVE_LIST,
            CTRLForSequenceClassification,
            CTRLLMHeadModel,
            CTRLModel,
            CTRLPreTrainedModel,
        )

    try:
        if not is_tf_available():
            raise OptionalDependencyNotAvailable()
    except OptionalDependencyNotAvailable:
        pass
    else:
        from .modeling_tf_ctrl import (
            TF_CTRL_PRETRAINED_MODEL_ARCHIVE_LIST,
            TFCTRLForSequenceClassification,
            TFCTRLLMHeadModel,
            TFCTRLModel,
            TFCTRLPreTrainedModel,
        )

else:
    import sys

    lowerCAmelCase_     						=				_LazyModule(__name__, globals()['''__file__'''], _import_structure, module_spec=__spec__)








'''simple docstring'''







import gc
import random
import unittest

import numpy as np
import torch
from PIL import Image
from transformers import CLIPTextConfig, CLIPTextModel, CLIPTokenizer

from diffusers import AutoencoderKL, DDIMScheduler, DDPMScheduler, StableDiffusionUpscalePipeline, UNetaDConditionModel
from diffusers.utils import floats_tensor, load_image, load_numpy, slow, torch_device
from diffusers.utils.testing_utils import enable_full_determinism, require_torch_gpu


enable_full_determinism()

class 	_snake_case(			unittest.TestCase      ):






 def 						_UpperCamelCase (self       :  List[str]    )       ->   str:






    """simple docstring"""


    super().tearDown()
    gc.collect()
    torch.cuda.empty_cache()






 @property
 def 						_UpperCamelCase (self       :  int    )       ->   Any:






    """simple docstring"""


    A__       =     1
    A__       =     3
    A__       =     (32, 32)

    A__       =     floats_tensor((batch_size, num_channels) + sizes    ,		rng=random.Random(0    )    ).to(a    )
    return image






 @property
 def 						_UpperCamelCase (self       :  Union[str, Any]    )       ->   Tuple:






    """simple docstring"""


    torch.manual_seed(0    )
    A__       =     UNetaDConditionModel(
        block_out_channels=(32, 32, 64)    ,		layers_per_block=2    ,		sample_size=32    ,		in_channels=7    ,		out_channels=4    ,		down_block_types=('DownBlock2D', 'CrossAttnDownBlock2D', 'CrossAttnDownBlock2D')    ,		up_block_types=('CrossAttnUpBlock2D', 'CrossAttnUpBlock2D', 'UpBlock2D')    ,		cross_attention_dim=32    ,		attention_head_dim=8    ,		use_linear_projection=a    ,		only_cross_attention=(True, True, False)    ,		num_class_embeds=1_00    ,		)
    return model






 @property
 def 						_UpperCamelCase (self       :  Tuple    )       ->   Optional[Any]:






    """simple docstring"""


    torch.manual_seed(0    )
    A__       =     AutoencoderKL(
        block_out_channels=[32, 32, 64]    ,		in_channels=3    ,		out_channels=3    ,		down_block_types=['DownEncoderBlock2D', 'DownEncoderBlock2D', 'DownEncoderBlock2D']    ,		up_block_types=['UpDecoderBlock2D', 'UpDecoderBlock2D', 'UpDecoderBlock2D']    ,		latent_channels=4    ,		)
    return model






 @property
 def 						_UpperCamelCase (self       :  str    )       ->   List[str]:






    """simple docstring"""


    torch.manual_seed(0    )
    A__       =     CLIPTextConfig(
        bos_token_id=0    ,		eos_token_id=2    ,		hidden_size=32    ,		intermediate_size=37    ,		layer_norm_eps=1e-05    ,		num_attention_heads=4    ,		num_hidden_layers=5    ,		pad_token_id=1    ,		vocab_size=10_00    ,		hidden_act='gelu'    ,		projection_dim=5_12    ,		)
    return CLIPTextModel(a    )






 def 						_UpperCamelCase (self       :  str    )       ->   List[str]:






    """simple docstring"""


    A__       =     'cpu'  # ensure determinism for the device-dependent torch.Generator
    A__       =     self.dummy_cond_unet_upscale
    A__       =     DDPMScheduler()
    A__       =     DDIMScheduler(prediction_type='v_prediction'    )
    A__       =     self.dummy_vae
    A__       =     self.dummy_text_encoder
    A__       =     CLIPTokenizer.from_pretrained('hf-internal-testing/tiny-random-clip'    )

    A__       =     self.dummy_image.cpu().permute(0    ,		2    ,		3    ,		1    )[0]
    A__       =     Image.fromarray(np.uinta(a    )    ).convert('RGB'    ).resize((64, 64)    )

    # make sure here that pndm scheduler skips prk
    A__       =     StableDiffusionUpscalePipeline(
        unet=a    ,		low_res_scheduler=a    ,		scheduler=a    ,		vae=a    ,		text_encoder=a    ,		tokenizer=a    ,		max_noise_level=3_50    ,		)
    A__       =     sd_pipe.to(a    )
    sd_pipe.set_progress_bar_config(disable=a    )

    A__       =     'A painting of a squirrel eating a burger'
    A__       =     torch.Generator(device=a    ).manual_seed(0    )
    A__       =     sd_pipe(
        [prompt]    ,		image=a    ,		generator=a    ,		guidance_scale=6.0    ,		noise_level=20    ,		num_inference_steps=2    ,		output_type='np'    ,		)

    A__       =     output.images

    A__       =     torch.Generator(device=a    ).manual_seed(0    )
    A__       =     sd_pipe(
        [prompt]    ,		image=a    ,		generator=a    ,		guidance_scale=6.0    ,		noise_level=20    ,		num_inference_steps=2    ,		output_type='np'    ,		return_dict=a    ,		)[0]

    A__       =     image[0, -3:, -3:, -1]
    A__       =     image_from_tuple[0, -3:, -3:, -1]

    A__       =     low_res_image.size[0] * 4
    assert image.shape == (1, expected_height_width, expected_height_width, 3)
    A__       =     np.array([0.3113, 0.3910, 0.4272, 0.4859, 0.5061, 0.4652, 0.5362, 0.5715, 0.5661]    )

    assert np.abs(image_slice.flatten() - expected_slice    ).max() < 1e-2
    assert np.abs(image_from_tuple_slice.flatten() - expected_slice    ).max() < 1e-2






 def 						_UpperCamelCase (self       :  Optional[int]    )       ->   Optional[int]:






    """simple docstring"""


    A__       =     'cpu'  # ensure determinism for the device-dependent torch.Generator
    A__       =     self.dummy_cond_unet_upscale
    A__       =     DDPMScheduler()
    A__       =     DDIMScheduler(prediction_type='v_prediction'    )
    A__       =     self.dummy_vae
    A__       =     self.dummy_text_encoder
    A__       =     CLIPTokenizer.from_pretrained('hf-internal-testing/tiny-random-clip'    )

    A__       =     self.dummy_image.cpu().permute(0    ,		2    ,		3    ,		1    )[0]
    A__       =     Image.fromarray(np.uinta(a    )    ).convert('RGB'    ).resize((64, 64)    )

    # make sure here that pndm scheduler skips prk
    A__       =     StableDiffusionUpscalePipeline(
        unet=a    ,		low_res_scheduler=a    ,		scheduler=a    ,		vae=a    ,		text_encoder=a    ,		tokenizer=a    ,		max_noise_level=3_50    ,		)
    A__       =     sd_pipe.to(a    )
    sd_pipe.set_progress_bar_config(disable=a    )

    A__       =     'A painting of a squirrel eating a burger'
    A__       =     sd_pipe(
        2 * [prompt]    ,		image=2 * [low_res_image]    ,		guidance_scale=6.0    ,		noise_level=20    ,		num_inference_steps=2    ,		output_type='np'    ,		)
    A__       =     output.images
    assert image.shape[0] == 2

    A__       =     torch.Generator(device=a    ).manual_seed(0    )
    A__       =     sd_pipe(
        [prompt]    ,		image=a    ,		generator=a    ,		num_images_per_prompt=2    ,		guidance_scale=6.0    ,		noise_level=20    ,		num_inference_steps=2    ,		output_type='np'    ,		)
    A__       =     output.images
    assert image.shape[0] == 2






 @unittest.skipIf(torch_device != 'cuda'    ,		'This test requires a GPU'    )
 def 						_UpperCamelCase (self       :  List[Any]    )       ->   Union[str, Any]:






    """simple docstring"""


    A__       =     self.dummy_cond_unet_upscale
    A__       =     DDPMScheduler()
    A__       =     DDIMScheduler(prediction_type='v_prediction'    )
    A__       =     self.dummy_vae
    A__       =     self.dummy_text_encoder
    A__       =     CLIPTokenizer.from_pretrained('hf-internal-testing/tiny-random-clip'    )

    A__       =     self.dummy_image.cpu().permute(0    ,		2    ,		3    ,		1    )[0]
    A__       =     Image.fromarray(np.uinta(a    )    ).convert('RGB'    ).resize((64, 64)    )

    # put models in fp16, except vae as it overflows in fp16
    A__       =     unet.half()
    A__       =     text_encoder.half()

    # make sure here that pndm scheduler skips prk
    A__       =     StableDiffusionUpscalePipeline(
        unet=a    ,		low_res_scheduler=a    ,		scheduler=a    ,		vae=a    ,		text_encoder=a    ,		tokenizer=a    ,		max_noise_level=3_50    ,		)
    A__       =     sd_pipe.to(a    )
    sd_pipe.set_progress_bar_config(disable=a    )

    A__       =     'A painting of a squirrel eating a burger'
    A__       =     torch.manual_seed(0    )
    A__       =     sd_pipe(
        [prompt]    ,		image=a    ,		generator=a    ,		num_inference_steps=2    ,		output_type='np'    ,		).images

    A__       =     low_res_image.size[0] * 4
    assert image.shape == (1, expected_height_width, expected_height_width, 3)




@slow
@require_torch_gpu
class 	_snake_case(			unittest.TestCase      ):






 def 						_UpperCamelCase (self       :  Union[str, Any]    )       ->   Dict:






    """simple docstring"""


    super().tearDown()
    gc.collect()
    torch.cuda.empty_cache()






 def 						_UpperCamelCase (self       :  Optional[Any]    )       ->   Optional[int]:






    """simple docstring"""


    A__       =     load_image(
        'https://huggingface.co/datasets/hf-internal-testing/diffusers-images/resolve/main'
        '/sd2-upscale/low_res_cat.png'    )
    A__       =     load_numpy(
        'https://huggingface.co/datasets/hf-internal-testing/diffusers-images/resolve/main/sd2-upscale'
        '/upsampled_cat.npy'    )

    A__       =     'stabilityai/stable-diffusion-x4-upscaler'
    A__       =     StableDiffusionUpscalePipeline.from_pretrained(a    )
    pipe.to(a    )
    pipe.set_progress_bar_config(disable=a    )
    pipe.enable_attention_slicing()

    A__       =     'a cat sitting on a park bench'

    A__       =     torch.manual_seed(0    )
    A__       =     pipe(
        prompt=a    ,		image=a    ,		generator=a    ,		output_type='np'    ,		)
    A__       =     output.images[0]

    assert image.shape == (5_12, 5_12, 3)
    assert np.abs(expected_image - image    ).max() < 1e-3






 def 						_UpperCamelCase (self       :  Any    )       ->   str:






    """simple docstring"""


    A__       =     load_image(
        'https://huggingface.co/datasets/hf-internal-testing/diffusers-images/resolve/main'
        '/sd2-upscale/low_res_cat.png'    )
    A__       =     load_numpy(
        'https://huggingface.co/datasets/hf-internal-testing/diffusers-images/resolve/main/sd2-upscale'
        '/upsampled_cat_fp16.npy'    )

    A__       =     'stabilityai/stable-diffusion-x4-upscaler'
    A__       =     StableDiffusionUpscalePipeline.from_pretrained(
        a    ,		torch_dtype=torch.floataa    ,		)
    pipe.to(a    )
    pipe.set_progress_bar_config(disable=a    )
    pipe.enable_attention_slicing()

    A__       =     'a cat sitting on a park bench'

    A__       =     torch.manual_seed(0    )
    A__       =     pipe(
        prompt=a    ,		image=a    ,		generator=a    ,		output_type='np'    ,		)
    A__       =     output.images[0]

    assert image.shape == (5_12, 5_12, 3)
    assert np.abs(expected_image - image    ).max() < 5e-1






 def 						_UpperCamelCase (self       :  Dict    )       ->   List[str]:






    """simple docstring"""


    torch.cuda.empty_cache()
    torch.cuda.reset_max_memory_allocated()
    torch.cuda.reset_peak_memory_stats()

    A__       =     load_image(
        'https://huggingface.co/datasets/hf-internal-testing/diffusers-images/resolve/main'
        '/sd2-upscale/low_res_cat.png'    )

    A__       =     'stabilityai/stable-diffusion-x4-upscaler'
    A__       =     StableDiffusionUpscalePipeline.from_pretrained(
        a    ,		torch_dtype=torch.floataa    ,		)
    pipe.to(a    )
    pipe.set_progress_bar_config(disable=a    )
    pipe.enable_attention_slicing(1    )
    pipe.enable_sequential_cpu_offload()

    A__       =     'a cat sitting on a park bench'

    A__       =     torch.manual_seed(0    )
    A__       =     pipe(
        prompt=a    ,		image=a    ,		generator=a    ,		num_inference_steps=5    ,		output_type='np'    ,		)

    A__       =     torch.cuda.max_memory_allocated()
    # make sure that less than 2.9 GB is allocated
    assert mem_bytes < 2.9 * 10**9


